MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://dafemum.ru/strik?utm_term=cesare+beccaria%25E2%2580%2599s+essay+on+crimes+and+punishments+emphasized PDF link annotation
- http://lologunaw.mygamesonline.org/local_anaesthesia_in_dentistry_download.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490920/normal_605f5bb92e3ca.pdfIn PDF document text
- http://taxevidel.medianewsonline.com/marantz_sr5007_review_what_hi_fi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366662/normal_601affa016368.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368242/normal_6061350ebd7c2.pdfIn PDF document text
- http://jofifuneku.medianewsonline.com/51282962035.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/vavejijitatofu/how_many_new_covid_cases_in_illinois_today.pdfIn PDF document text
- https://9c43cb74-45e3-47de-9527-fda2e8336169.filesusr.com/ugd/af0aa9_766315d3ae92408a99f977541bc50450.pdf?index=trueIn PDF document text
- https://dedb376b-efc3-4528-ac10-fc65d12f866c.filesusr.com/ugd/5f6074_bcec245ba5a6448aa48294c50bdc0fb6.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fukezavazuj/fakanilevavefopa.pdfIn PDF document text
- https://c2267750-1f6d-4c2f-944a-eb302c7f07d7.filesusr.com/ugd/93971e_1c68ca37ad824104a8e553ea0855263d.pdf?index=trueIn PDF document text
- http://lupixopuvir.onlinewebshop.net/mapa_de_riesgos_la_paz_covid_19.pdfIn PDF document text
- https://c0b8f06b-4e98-4d3d-89ef-2f08caba629a.filesusr.com/ugd/0c8cc8_595b87a212ca4bc7a67ccc32ff310cb8.pdf?index=trueIn PDF document text
- https://dc273c12-e125-4738-b2e6-b96bc4bd5eb7.filesusr.com/ugd/c8df25_9987bc330b19444ea1e7633919a1e98b.pdf?index=trueIn PDF document text
- https://b40f07b9-a98f-42b6-a6e2-5dc2c82ebb0e.filesusr.com/ugd/e949ea_8d09507deda7493b8120c9aa297d9400.pdf?index=trueIn PDF document text
- https://3dd85f33-233b-4b3c-8e53-142bc8307eec.filesusr.com/ugd/8df890_6e9e69a0b5754a2da6b982b5d4a58c27.pdf?index=trueIn PDF document text
- https://5613ab86-cfe5-4642-b9e1-29ab5e510d76.filesusr.com/ugd/79e000_2c5bc40f67f94a0e90aae813e3d48e9a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0ae93921-8a19-4e01-a514-3f21ef4cdd30/88856622658.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/536cfd36-3174-4c24-9233-bdc88018b129/ff7_ultimate_guide.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e523a594-614e-473b-90a2-0af7b1fdfc8f/21425676794.pdfIn PDF document text
- https://s3.amazonaws.com/kesumasaka/50774937570.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fbba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBBA | 5528 bytes |
SHA-256: 070ca73dfa1a70a17e63f00af1abdc39cd7fdf5261b2598dc1585fe25c6c0fda |
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font_01_sfnt_off00010e6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E6D | 10956 bytes |
SHA-256: 27f02816bb78e61805cc8f6637a8ab96098b0870c6ab76a4517b491da8746e82 |
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